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Old 07-04-2011, 05:53 PM   #91
NJ-Brett
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Nothing wrong with a good little twin like the old cb350's, Triumph 500's etc.
I don't see it needs to be a single, but these days they can make a single smooth unlike the old days.
Standard upright riding position, thick comfortable seat for two normal size people, maybe a small rack on the back, lots of bikes came standard like that, with center stands and a flip up seat for stashing gloves and so on.
Not much to break if it fell over, easy to fix on the side of the road, inexpensive to get, inexpensive to keep on the road.

250,350, 400, 450, 500, 550, 650, 750, bikes used to come in all those sizes.

I would love a TU 350 to 500 with the frame just a little bit bigger.
Its a comfortable bike with a good seat but the seat to peg layout is a little tight for 6 feet and up on all day long rides.

cb400ss, 300 pounds dry!
http://www.advrider.com/forums/showthread.php?t=99532
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Old 07-04-2011, 06:19 PM   #92
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Just curious what other people think, but I've been riding for almost 40 years,and I always thought the term "thumper" refered to a "big" single. "Big" meaning 500cc and up (or maybe 441 and up). After the demise of Victors and Gold Stars, I didn't think there were thumpers sold in the US until the TT/XT/SR500 and thenXL500R (with 23" front wheel) came on the market. We never thought of XL250's as thumpers.

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Old 07-04-2011, 07:06 PM   #93
NJ-Brett
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I suppose.
They just used to be motorcycles.

But its a handy term to describe 4 stroke singles.



Quote:
Originally Posted by dman View Post
Just curious what other people think, but I've been riding for almost 40 years,and I always thought the term "thumper" refered to a "big" single. "Big" meaning 500cc and up (or maybe 441 and up). After the demise of Victors and Gold Stars, I didn't think there were thumpers sold in the US until the TT/XT/SR500 and thenXL500R (with 23" front wheel) came on the market. We never thought of XL250's as thumpers.

-dman
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Old 07-04-2011, 07:16 PM   #94
tonymorr
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Quote:
Originally Posted by NJ-Brett View Post
I would love a TU 350 to 500 with the frame just a little bit bigger.
Its a comfortable bike with a good seat but the seat to peg layout is a little tight for 6 feet and up on all day long rides.

cb400ss, 300 pounds dry!
http://www.advrider.com/forums/showthread.php?t=99532


"Not for U.S. consumption: The Honda CB 400ss"
http://caferacersociety.blogspot.com...a-cb400ss.html
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Old 07-05-2011, 03:50 AM   #95
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Looks good. That's the idea, exactly. My dad had a Suzuki GN400. I think the power was OK but the gearing was way too low. Needed a lot more slack, especially at the top end. Hell to kick over when cold but it did have a manual compression release. I can appreciate electric start at my age.

Not to broaden the focus of the thread, but since somebody mentioned twins, remember there's that new Sporter-ish Honda Shadow 750. Also looks good but performance is lacking - test I read it was slower than an 883 Sportster.

I understand the role twins performed - and can continue to perform. I'm just saying, using the example of the cbr250 vs. the mini-Ninja, that a modern single can perform pretty close to a twin. Of course, if those same design improvements are applied to twins, who's to say how much better they'd be?
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Old 07-05-2011, 06:05 AM   #96
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Take a look around. Signs of economic growth everywhere.


That's all you got?
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Old 07-05-2011, 06:20 AM   #97
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Quote:
Originally Posted by Southerner View Post
Big or small. Since about the biggest single is a 650, I don't consider that excessive. Of course, if somebody was brave enough to attempt a 1-cylinder liter bike, I'd like to see it.

My sole problem with KLRs and just about anything truly made for the offroad nowadays is my short inseam.

At 190, I could deal with a 250 for local stuff but not much more.

As much as I would like to see a redux of the classic British singles, I think the modern approach is more like Honda's new 250: designed from a clean sheet of paper, short stroke, FI, high comp. ratio, counterbalanced, liquid cooled, etc.

I guess the Bimmer 650 is an example of this new thumper idea also but I don't know its particulars.

lol, a clean sheet of paper...

Here we go again with Honda being out-side the curve, HP makes power, not cc's, and the market dictates advances... But I'll refrain.


Like a BMW... It's a 650 but it's also the worlds heaviest. A KTM 625-660 is fuel and oil capacity away from 300lbs.

NX250 wet is 283lbs (According to my Honda FSM, NOT Wikipedia)
CBR250: 357 pounds / 366 pounds (CBR250R ABS) http://twofiftymag.com/2011/04/honda-cbr250r-2011/
A Ninja 250: 344lbs...


You're not good at comparing things, are you?

BTW, here's your clean sheet of paper.


Hardly a "250" thing... You might have had a problem doing 60 on an old XR250 or CR230, but not one of these "250's".
Quote:
The Honda NX250 was a new concept produced by Honda, a crossover dual-sport motorcycle available in the USA from 1988 thru 1990. It is a lightweight bike intended for both on-road and off-road riding. It was never produced by Honda in substantial numbers, but was met with generally positive reviews with its perfect balance of power, size, and style.
The NX250 featured an all new compact, liquid cooled, 249 cc, single cylinder, four-valve, D.O.H.C, four-stroke engine with electric start. 26 hp (19 kW) at 8,500 rpm, at 11 to 1 compression ratio, 2.4 Kgm torque at 7,500 rpm. It had a bore and stroke of 70.0 64.8 mm (2.76 2.55 in) and a six-speed transmission.
The NX250 averages 70 miles per US gallon (3.4 L/100 km; 84 mpg-imp) , fuel capacity is 9 litres (2.4 gallons including reserve) with refills needed at around 130 miles (210 km). The NX250's maximum speed (per speedometer) is 95 miles per hour (153 km/h) , though it has been known to be capable of speeds nearing 100 miles per hour (160 km/h), and it is both quick and agile. The suspension is 37 millimetres (1.5 in) forks with 8.7" travel up front, and Pro-Link with 7.9" in the rear. It has a 1,350 millimetres (53 in) wheelbase and a dry weight of 118 kilograms (260 lb) . The seat height is 820 millimetres (32 in) .
It was only available in two colors, Metallic Blue and Pearl White. In some countries Honda continued production of the NX250 up to 1993, it was named "Dominator" and came in various other colors.
[edit]AX-1

Honda AX-1
Manufacturer Honda
Class Dual-sport
Engine 249 cc liquid-cooled
Single-cylinder DOHC
Transmission 6-speed
Frame type tubular steel double cradle
Brakes Front: Single-disc with twin-piston caliper
Rear: Single-disc with single piston caliper
Weight (260.2 lb/129.4 kg) (dry)
(293.2 lb/133.0 kg) (wet)
Fuel capacity 2.4 US gallons (9 L)
Another version of Honda NX-250 was the Honda AX-1 intended only for the Japanese market. Using the same chassis as the NX-250, the AX-1 came standard with alloy rims, aluminum Pro-Link rear suspension this time with a rear disc brake, dual round headlights, taller cams, stainless steel exhaust and different carburetor settings. AX-1 outputs 29 horsepower at 8500 RPM at 11 to 1 compression ratio and 2.6 kgm torque at 7500 rpm.
Owners occasionally report CDI failures, although both models are considered extremely reliable. The valve clearance check interval is every 24,000 miles.
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Old 07-05-2011, 06:28 AM   #98
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No, I don't spend a lot of time online storing facts and figures about obscure bikes so I can regurgitate them at will.

Re HP as opposed to displacement, if you will look at my earlier posts, I noted that the CB250r produces about the same HP (and gets about the same mpg) as the EFI RE Bullet. Difference between new gen & old gen.

It's always been possible to take a smaller engine and make it perform like a larger one HP-wise but the usual penalty was engine life. Modern design has reduced that at least somewhat. Modern 2.5 to 3 liter cars nowadays are producing HP in the same range as older big-inch V-8s, with better mpg.

I never heard of the NX250 before. Didn't know they existed.
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Old 07-05-2011, 08:00 AM   #99
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How about 90 miles per gallon?
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Old 07-05-2011, 08:04 AM   #100
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I like this one. Cleveland Cyclewerks 250cc Missfit.

I've owned a lot of thumpers. Most were dual sports. I'll be owning another one soon.
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Old 07-05-2011, 08:37 AM   #101
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I thought they never went out of style. I have never owned anything but thumpers since 1980. And I have never owned anything but singles ever. Of course, I could have been horribly out of style all the while and just never knew it.
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Old 07-05-2011, 08:48 AM   #102
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You were. Terribly out of style.

I've had 3 street twins in my whole life. Two Suzukis and my present Honda. The rest were dirt bikes and all of those 2-strokes, at that.
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Old 08-07-2011, 09:01 AM   #103
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How about 90 miles per gallon?
All the time!
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Old 08-10-2011, 06:11 PM   #104
2manyrides
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I was at a dealer today (honda), and they had a Buel 250 single in the stable of used bikes for sale. I didn't know Buel had gon that small. I'm out of touch with the latest stuff anyway, but looking at it...

I didn't like the massive air box sticking out to your right thigh.
Didn't like the crazry wild footpeg bracketry hanging from way back and up to all the way down to the shifter.
Funny how you look at the left side and you've got a primary case the size of a sportster!
It's just a little 250!
Had to look close to see if it was a v twin, but no...just one front cylinder hanging out front at an angle.
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Old 08-10-2011, 07:33 PM   #105
Birdmove
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Buell didn't make a 250 single. Just the 500cc Blast.

jon
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